command.h

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// SPDX-FileCopyrightText: Copyright (C) 2015 swift Project Community / Contributors
// SPDX-License-Identifier: GPL-3.0-or-later OR LicenseRef-swift-pilot-client-1
 
#ifndef SWIFT_SIM_XSWIFTBUS_COMMAND_H
#define SWIFT_SIM_XSWIFTBUS_COMMAND_H
 
 
#include <XPLMUtilities.h>
 
#include <functional>
 
namespace XSwiftBus
{
 
    class CCommand
    {
    public:
        CCommand(const char *name, const char *description, std::function<void()> handler)
            : m_handler(handler), m_command(XPLMCreateCommand(name, description))
        {
            XPLMRegisterCommandHandler(m_command, callback, false, static_cast<void *>(this));
        }
 
        ~CCommand() { XPLMUnregisterCommandHandler(m_command, callback, false, static_cast<void *>(this)); }
 
        CCommand(const CCommand &) = delete;
        CCommand &operator=(const CCommand &) = delete;
 
    private:
        static int callback(XPLMCommandRef, XPLMCommandPhase phase, void *refcon)
        {
            if (phase == xplm_CommandBegin) { (static_cast<CCommand *>(refcon)->m_handler)(); }
            return 1;
        }
 
        std::function<void()> m_handler;
        XPLMCommandRef m_command;
    };
 
} // namespace XSwiftBus
 
#endif // SWIFT_SIM_XSWIFTBUS_COMMAND_H